Merge branch 'mapio-master'

README.md

@@ -1,12 +1,14 @@
 # Playlist To Links
-This bash script allows to extract video links from a Youtube playlist
+
+This bash script allows to extract video links from a YouTube playlist.
 
 # Dependencies
-The script requires xml2 (http://www.ofb.net/~egnor/xml2/)
+The script requires [xml2](http://www.ofb.net/~egnor/xml2/), and
+[wget](https://www.gnu.org/software/wget/) or [curl](http://curl.haxx.se/).
 
 # Usage
-Playlist: https://www.youtube.com/playlist?list=123CODEOFPLAYLIST
+Playlist: `https://www.youtube.com/playlist?list=123CODEOFPLAYLIST`
 
-./playlist2links 123CODEOFPLAYLIST
+    ./playlist2links 123CODEOFPLAYLIST
 
-The list of Youtube playlist's links is now saved in playlist.txt
+The list of YouTube playlist's links is now saved in `playlist.txt`.

playlist2links

@@ -1,11 +1,41 @@
 #!/bin/bash
-html2 a 2>/dev/null
-if [ $? -eq 127 ]
-then
-	echo "Please, install xml2 to use this script"
-	exit
-fi;
-wget "https://www.youtube.com/playlist?list=$1" -o /dev/null -O /tmp/playlist.html
-html2 < /tmp/playlist.html > /tmp/playlist.html2 2>/dev/null
-grep "/html/body/div/div/div/div/div/div/div/div/div/div/ul/li/div/table/tbody/tr/@data-video-id=" /tmp/playlist.html2 > /tmp/playlist.html3
-sed 's/\(.*\)=/https:\/\/www.youtube.com\/watch?v=/g' < /tmp/playlist.html3 > playlist.txt
+
+if [[ -z "$1" ]];
+then
+	echo "Please, specify the playlist code as argument" 1>&2
+	exit 1
+fi
+URL="https://www.youtube.com/playlist?list=$1"
+
+if [[ -z $(type -p html2) ]];
+then
+	echo "Please, install xml2 to use this script" 1>&2
+	exit 1
+fi
+
+TMPFILE=`mktemp /tmp/${tempfoo}.XXXXXX` || {
+	echo "Tempoprary file creation failuer" 1>&2
+	exit 1
+}
+
+COMMAND=""
+if [[ -n $(type -p wget) ]];
+then
+	COMMAND="wget -o /dev/null -O '${TMPFILE}.html' '$URL'"
+fi
+if [[ -z "$COMMAND" ]] && [[ -n $(type -p curl) ]];
+then
+	COMMAND="curl -s -o '${TMPFILE}.html' '$URL'"
+fi
+if [[ -z "$COMMAND" ]];
+then
+	echo "Please, install wget or curl to use this script" 1>&2
+	exit 1
+fi
+
+eval $COMMAND
+html2 < "${TMPFILE}.html" > "${TMPFILE}.html2" 2>/dev/null
+grep "/html/body/div/div/div/div/div/div/div/div/div/div/ul/li/div/table/tbody/tr/@data-video-id=" "${TMPFILE}.html2" > "${TMPFILE}.html3"
+sed 's/\(.*\)=/https:\/\/www.youtube.com\/watch?v=/g' < "${TMPFILE}.html3" > playlist.txt
+
+rm -f "${TMPFILE}"